IPA: /əˈsiːtənɪk/
KK: /əˈsiːtənɪk/
Relating to or containing a chemical called acetone, which is a colorless liquid used as a solvent and in various chemical processes.
The chemist used acetonic solvents for the reaction.
Acetonic is derived from "acetone" (from Latin "acetona", meaning vinegar) and the suffix "-ic" (meaning pertaining to). The word "acetonic" refers to something that is related to or derived from acetone, which is a solvent with a vinegar-like smell.
Think of 'acetone' as a substance related to vinegar, and remember that 'acetonic' means pertaining to acetone.